OpenAI CEO Sam Altman warned that the billions of dollars being plowed into the artificial intelligence arms race risks causing a bubble comparable to the dot-com crash of the early 2000s. “When bubbles happen, smart people get overexcited about a kernel of truth,” Altman said during a dinner with a group of journalists, The Verge reported on Friday. “Are we in a phase where investors as a whole are overexcited about AI? My opinion is yes. Is AI the most important thing to happen in a very long time? My opinion is also yes.” 4 OpenAI CEO Sam Altman testifies…